KANOMAX 2211 Handheld IAQ Monitor - Manual (Page 55)

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11.7 Calibration Check
Problem Possible Cause(s) / Solution(s)
Refer To
(Page No.)
[-ERR] appears during the CO
SPAN calibration. Output level of CO sensor may be abnormal or the sensor is
damaged. Contact a distributor near you.
(Although SPAN calibration is not available, you can use
existing calibration value when output level is low.)
41
[-ERR] appears during the CO
2
SPAN calibration.
Output level of CO
2
sensor may be abnormal or the sensor is
damaged. Contact a distributor near you.
(Although SPAN calibration is not available, you can use
existing calibration value when output level is low.)
41